How many T. rexes were there? Billions.

Over approximately 2.5 million years, North America likely hosted 2.5 billion Tyrannosaurus rexes, a minuscule proportion of which have been dug up and studied by paleontologists, according to a UC Berkeley study. (Image by Julius Csotonyi , courtesy

How many T. rexes were there? Billions.

There were Billions of T-Rex terrorizing Earth

How many T. rexes were there? Billions.

An estimated 2.5 billion Tyrannosaurus rexes lived and died on Earth •

Like Godzilla, but actually real': study shows T. rex numbered 2.5 billion - The Japan Times

Billions of T. rex likely roamed the Earth, paleontologists report

Total T. Rex Population During Species' Existence Was 2.5 Billion

Scientists say T. Rex walked as slowly as humans

2.5 billion: That's how many T. rexes may have roamed the Earth over their 3-million-year reign - Genetic Literacy Project

Billions of T.rex dinosaurs roamed North America, study shows

New Dinosaur Fact: A Total of 2.5 Billion T.Rex Roamed the Earth

Tyrannosaurs may have hunted in packs like wolves, new research has found, Dinosaurs

Billions of Tyrannosaurus rexes once roamed earth, study shows

A total of some 2.5 billion T. rex roamed the Earth, study finds

T. REX TALLY Simanaitis Says